Ex-Arizona frat leader gets jail time after pledge died of alcohol poisoning

A former Northern Arizona University fraternity leader, Carter Eslick, was sentenced to two months in jail for his role in a hazing that led to the death of a pledge.

• Oct 1

ASU hockey coach put on leave after player collapsed during workout

Matthew Mayich, a 21-year-old sophomore from Ontario, Canada, collapsed during a workout on Aug. 20 and remains hospitalized.

• Sep 30

ASU coach on leave after player health incident

An Arizona State University hockey coach was put on leave on Wednesday after one of his players collapsed during an outdoor workout last month. That player, a sophomore defenseman, is now on life support, with his family and teammates calling for more accountability.

• Sep 30

Heavy rains drown Southwest, cause major flooding

The southwestern U.S. was slammed by heavy rains, causing severe flooding and multiple water rescues. Rob Marciano reports.

• Sep 30

Flash flooding hits Southwestern U.S.

Heavy rain drenched portions of the Southwest, putting nearly a third of the country at risk of flash floods in the hours ahead. New Mexico has seen the worst of it so far, where water spilled over a 20-foot dam, prompting emergency crews to urge evacuations. Rob Marciano has more.

• Sep 29

Former U.S. Sen. Jon Kyl of Arizona dies at 84

Former U.S. Sen. Jon Kyl, who represented Arizona in both chambers of Congress over nearly three decades, has died at 84.

• Sep 17

Flash floods slam southwest U.S.

Torrential rain slammed the southwestern U.S., causing flash flooding and other dangerous conditions. Kris Van Cleave reports.

• Sep 17

Navy vet's murder solved after suspect who gave DNA dies by suicide

A veteran's 1987 murder has been solved, after the now-deceased suspect's DNA matched evidence at the scene of the killing, authorities said.

• Sep 16

2 dead, at least 1 missing after Grand Canyon hit by flash floods

Violent flash floods hit the Grand Canyon's Bright Angel Canyon and Phantom Ranch area, causing "extensive damage" to the park's water infrastructure.

• Sep 1

Severe weather hampers Grand Canyon rescues

A search-and-recovery mission is underway in the Grand Canyon after deadly flash flooding ripped through the national park over the weekend. CBS News chief correspondent Matt Gutman reports.

• Aug 31

Watch: Flash flood sweeps through Grand Canyon

At least two people are dead, and 15 are missing after heavy rainfall triggered flash floods in the Grand Canyon over the weekend. These videos show the floodwaters in the national park and the aftermath.

• Aug 31

Blistering heat prevents rescues in Arizona

Blistering summer temperatures are fueling wildfires and leading to heat-related deaths out West. In Phoenix, Arizona, rescue helicopters can no longer take off when extreme heat reaches a certain level. CBS News' Kris Van Cleave spoke with emergency workers about heat-related challenges.

• Aug 27

Heat waves hinder wildfire efforts

Record-breaking heat waves in the western U.S. have halted wildfire efforts. Meanwhile, heat-related deaths have ramped up in Arizona. Kris Van Cleave reports.

• Aug 27

Drastic water cuts issued for California, Nevada and Arizona from Colorado River

Federal officials announced sharp water cuts for the next two years on Friday for three Western states that rely on the imperiled Colorado River.

• Aug 22

Deadly heat wave bakes Arizona

Heat-related deaths in Arizona's Maricopa County have more than doubled since last year. Jason Allen visited a cooling center in Phoenix to see how the community is managing dangerous heat.

• Aug 20

Air traffic controller averts disaster

Two American Airlines jets in the same airspace briefly shared the same flight number and radio frequency. Luckily, the quick thinking of a veteran air traffic controller prevented potential catastrophe. Kris Van Cleave has the story.

• Aug 15

Questions about Nancy Guthrie ransom notes

Pima County Sheriff Chris Nanos told CBS News last Thursday that he didn't have a ransom note saying Nancy Guthrie was dead. But one day later he released a note saying just that. CBS News' Anna Schecter reports.

• Aug 3

Sheriff in Nancy Guthrie case contradicted himself on ransom note

Investigators in the disappearance of Nancy Guthrie released two ransom notes, including one contradicting what the Arizona sheriff overseeing the case told CBS News.

• Aug 3

Savannah Guthrie asks for answers about mom Nancy after notes released

Savannah Guthrie said she and her family have been "in agony and despair ever since" her mother Nancy's disappearance in February.

• Aug 1

Police release Nancy Guthrie ransom notes

It has been six months since Nancy Guthrie, the mother of "Today Show" co-host Savannah Guthrie, vanished from her Arizona home. Investigators have now released two ransom notes with "distinctive linguistic characteristics" and are asking for the public's help in identifying their writer.

• Aug 1

A timeline of Nancy Guthrie's disappearance as search stretches on

Savannah Guthrie's mom, Nancy Guthrie, was reported missing Feb. 1.

• Jul 31

Notes released in Nancy Guthrie case

For the first time, the Pima County Sheriff's Office released a pair of emails allegedly sent by Nancy Guthrie's kidnapper, who said she had died shortly after she had been abducted. Tom Hanson reports.

• Jul 31

3 states would face Colorado River water cuts under federal plan

Arizona, California, and Nevada would take less water from the Colorado River under a federal proposal to stave off a crisis in the river.

• Jul 31

Hair sample from Nancy Guthrie's home inconclusive as search hits 6-month mark

A hair sample found at the home of Nancy Guthrie came back inconclusive after undergoing testing, Pima County Sheriff Chris Nanos revealed Thursday.

• Jul 30

Sheriff discusses Nancy Guthrie case

Nearly six months after Nancy Guthrie was kidnapped from her home in Tucson, Arizona, Jonathan Vigliotti sat down with the sheriff at the forefront of the investigation.

• Jul 30

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